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LF37 Diaphragm Pressure Switch (2~60 inch/H2O)
Product Details

LF37 diaphragm pressure switch is available for various sumps, effluent, and sewage application to control the liquid level. Various switch settings are available for to turn-on or turn-off the pump. The diaphragm pressure sensing design make it more reliable than traditional float ball mechanism. Port connection design make it can sense the pressure without immersing the liquid directly.


Series No. LF37
Medium Air, Water or other non-hazardous liquids
Basic function Diaphragm pressure switch operation: provide water level signals to appliance control, level value can be set on customer request
Mounting Install with the enclosure, or tube than sink into water; 1/4NPT thread connection is also available
Electrical data 13.8A, 125VAC 10A, 250VAC 3/4HP @ 125/250VAC
Contact arrangement SPDT-NC,NO, SPST
Proof pressure switch 5 PSI
Pressure Range

2"~60" W.C.

Terminal 6.35 x 0.8 blade, #8-32 screw
Option enclosure is available
Approval UL, CUL


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